ATMEGA48A-MMHR vs ATMEGA328-MMHR Comparison
Detailed side-by-side comparison of ATMEGA48A-MMHR by Microchip Technology and ATMEGA328-MMHR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA48A-MMHR - 4KB AVR MCU, 20MHz, VQFN-28 | Microchip
ATMEGA48A-MMHR β ActiveMicrochip Technology
ATMEGA328-MMHR - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA328-MMHR β ActiveSpecification Comparison
| Parameter | ATMEGA48A-MMHR | ATMEGA328-MMHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $1.80 |
| Core Architecture | 8-bit AVR RISC | β |
| Core Frequency | 20 MHz | β |
| Flash Memory | 4 KB (2K x 16) ISP Flash | 32 KB (16K x 16) |
| EEPROM | 256 B | 512 B |
| SRAM | 512 B | 2 KB |
| General Purpose I/O | 23 lines | β |
| Working Registers | 32 x 8-bit | β |
| Instructions | 131 instructions, most single-cycle | β |
| Timer/Counters | 3 flexible timer/counters with compare modes | β |
| Supply Voltage (min, reduced speed) | 1.8 V | β |
| Supply Voltage (full 20 MHz speed) | 4.5 V to 5.5 V | β |
| Package | 28-VQFN (4x4 mm), 0.45 mm pitch, 1.0 mm height | 28-VQFN (4x4 mm) Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Lifecycle Status | Active | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| Programmability | In-System Programmable (ISP) Flash | β |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant (Green package) |
| Core | β | AVR 8-bit RISC |
| Core Size | β | 8-bit |
| Speed | β | 20 MHz |
| Supply Voltage Range | β | 1.8 V to 5.5 V |
| Number of I/O | β | 23 |
| ADC Channels | β | 6 x 10-bit |
| Timers | β | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | β | USART, SPI, 2-Wire (I2C) |
| Programming Interface | β | SPI ISP, debugWIRE |
| Sleep Modes | β | Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby |